In most cases uniform pick - spacing is the objective, and we use a "positive" take -up motion.

在多数情况下是以均匀的纬纱间距为目的的，在这种情况下使用积极式卷取装置。

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Their migration may have been set in motion by an increase in population caused by a movement of peoples fleeing the desiccation, or drying up, of the Sahara.

他们的迁徙可能是人口增加引起的，这一人口增长是由人们逃离撒哈拉沙漠的干燥或干涸的迁移造成的。

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The pistons go up and down as a person stands on lever devices treadles and uses a natural walking motion.

VOA: special.2009.08.17

I don't think there has ever been a major motion picture about a financial person who ended up a philanthropist.

我觉得好像没有一部正儿八经的电影里,金融业者最终成为了慈善家。

耶鲁公开课 - 金融市场课程节选

But if I see you through the glass, the object is going on some trajectory, which has got both up and down and horizontal motion.

但是如果我透过窗户看到你,这个物体沿着某个轨迹运动,既有上下,也有水平方向的运动

耶鲁公开课 - 基础物理课程节选

Those aforementioned cameras also open up motion-sensor mobile games to keep you moving.

FORBES: A Closer Look At How Samsung Galaxy S4 Will Change The Game

Account and security settings also make it easy for you to control digital pan, tilt and zoom of cameras, set up motion zones for individual cameras, and create and manage e-mail and mobile-phone motion alerts or desktop notifications of important events.

ENGADGET: Logitech Alert security cameras get OS X support for mindful MacBook owners

Sir, let's bring up the motion, and you can debate its constitutionality or its unconstitutionality.

CNN: Transcript: House debates articles of impeachment